<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello World</title>
    <script type="text/javascript" src="jquery-3.7.1.js"></script>
</head>
<body>
<script type="text/javascript">
    $(function(){
        alert("HelloWorld");
    });
</script>
</body>
</html>